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Cheap flights from St. Louis to Las Vegas from £122

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LAS
5 Nov — 12 Nov1
1 adult

Find flights from St. Louis to Las Vegas within your budget

Customise your flight search to find flights from St. Louis to Las Vegas that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 1,010,473 searches. Data last updated 31 October 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Wed 4/12

06:00-10:49

1 stop6h 49m

£122

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Thu 30/1

14:49-08:38

2 stops19h 49m

£144

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Fri 6/12

08:30-23:59

2 stops17h 29m

£172

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Sat 4/1

22:15-23:55

Nonstop3h 40m

£189

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Tue 10/12

18:30-23:56

1 stop7h 26m

Las Vegas Harry Reid Intl

Sat 14/12

06:15-13:48

1 stop5h 33m

£199

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Wed 11/12

07:00-17:52

2 stops12h 52m

Las Vegas Harry Reid Intl

Thu 12/12

10:02-23:59

1 stop11h 57m

£233

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Mon 18/11

11:20-15:38

1 stop6h 18m

Las Vegas Harry Reid Intl

Wed 20/11

00:59-09:47

1 stop6h 48m

£241

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Sat 7/12

10:30-13:35

1 stop5h 05m

Las Vegas Harry Reid Intl

Sat 14/12

05:25-10:30

Nonstop3h 05m

£319

Flights are sorted by cheapest first

Deals found on 30/10

Cheap flight deals from St. Louis to Las Vegas

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Las Vegas (LAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 31 October 2024.

Round-trip from

£199

One-way from

£122

Popular in

December

Cheapest in

April
Delta
  • Delta
  • 10/12-14/12
  • 2 total stops
  • 12h 59m total
  • St. Louis to Las Vegas
Search Deals
Delta
  • Delta
  • 4/12
  • 1 total stop
  • 6h 49m total
  • St. Louis to Las Vegas
Search Deals
High demand for flights, 21% potential price rise
Search Deals
Best time to find cheap flights, 24% potential price drop
Search Deals

Find flight deals from St. Louis to Las Vegas

Cheapest flights from St. Louis to Las Vegas
Explore the most affordable flight options available from St. Louis to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 October 2024.

Tue 10/1218:30STL - LAS
1 stop7h 26mDelta
Sat 14/1206:15LAS - STL
1 stop5h 33mDelta
Deal found 30/10£199
Wed 11/1207:00STL - LAS
2 stops12h 52mAlaska Airlines
Thu 12/1210:02LAS - STL
1 stop11h 57mAlaska Airlines
Deal found 29/10£233
Mon 18/1111:20STL - LAS
1 stop6h 18mUnited Airlines
Wed 20/1100:59LAS - STL
1 stop6h 48mUnited Airlines
Deal found 30/10£241
Sat 7/1210:30STL - LAS
1 stop5h 05mSouthwest
Sat 14/1205:25LAS - STL
Nonstop3h 05mSouthwest
Deal found 30/10£319

Best time to book a flight from St. Louis to Las Vegas

Have a flexible travel schedule? Discover the best time to fly to Las Vegas from St. Louis with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from St. Louis to Las Vegas

Get recent, data-driven insights about flights from St. Louis to Las Vegas including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from St. Louis to Las Vegas?

Use this chart to determine the optimal time to book a return flight from St. Louis to Las Vegas. Price data was last updated on 25 October 2024.

The price you pay for your flight from St. Louis to Las Vegas may vary depending on when you book. For the best chance of a lower fare, look to book 82 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Find deals

What is the cheapest month to book a flight from St. Louis to Las Vegas?

Currently, February is the cheapest month in which you can book a flight from St. Louis to Las Vegas (average of £612). Flying from St. Louis to Las Vegas in August is currently the most expensive (average of £989). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from STL to LAS?

Find hourly flight availability from St. Louis to Las Vegas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 31 October 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from St. Louis to Las Vegas as you normally would.

Rainfall in Las Vegas by month

Plan your trip to Las Vegas by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Las Vegas ranges from 3.0 - 20.0 inches per month. February is typically the wettest month, when rainfall can reach 20.0 mm. May is typically the driest time to visit Las Vegas when rainfall is around 3.0 mm.

Temperature in Las Vegas by month

Plan your trip to Las Vegas by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Las Vegas, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 34.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 9.0 C).

Reviews of airlines servicing Las Vegas

Get insights into the airlines that provide service to Las Vegas. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Las Vegas. Reviews last updated 31 October 2024.
Get a feel of what it's like to fly with Delta, Alaska Airlines and United Airlines from St. Louis to Las Vegas by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very Good
5,116 reviews
Check prices

Crew

8.7

Entertainment

7.7

Boarding

8.3

Overall

8.1

Comfort

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very Good
5,116 reviews
Southwest
8.1
Very Good
5,116 reviews
Check prices

Crew

8.7

Entertainment

7.7

Boarding

8.3

Overall

8.1

Comfort

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Alaska Airlines
8.0
Very Good
9,420 reviews
Southwest
8.1
Very Good
5,116 reviews
Check prices

Crew

8.7

Entertainment

7.7

Boarding

8.3

Overall

8.1

Comfort

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very Good
8,836 reviews
Southwest
8.1
Very Good
5,116 reviews
Check prices

Crew

8.7

Entertainment

7.7

Boarding

8.3

Overall

8.1

Comfort

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

United Airlines
7.4
Good
9,240 reviews
Southwest
8.1
Very Good
5,116 reviews
Check prices

Crew

8.7

Entertainment

7.7

Boarding

8.3

Overall

8.1

Comfort

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Las Vegas. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this St. Louis to Las Vegas flight route?

    This flight path from Lambert-St Louis to Las Vegas Harry Reid Intl was viewed by 6 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines flying from St. Louis to Las Vegas round-trip?

    Cheapflights users have booked flights from St. Louis to Las Vegas round-trip from £199. Other airlines that can offer you cheap pricing are Alaska Airlines, from £233, and United Airlines, from £241.

  • What are the cheapest airlines to fly from St. Louis to Las Vegas one-way?

    The cheapet airlines for a one-way flight from St. Louis to Las Vegas are Delta (£122), Alaska Airlines (£144), and United Airlines (£172).

  • What are the most reliable airlines from St. Louis to Las Vegas?

    Before booking your flight to Las Vegas from St. Louis, check out the most reliable airlines to get you to your destination on time: Southwest (93%), Frontier (86%), Spirit Airlines( 69%).

  • Can I find deals for flights from St. Louis to Las Vegas that include hotel bookings?

    Yes. In addition to deals on St. Louis to Las Vegas flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Las Vegas?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Las Vegas.

  • Can I find deals for business class flights from St. Louis to Las Vegas?

    Yes. Cheapflights offers flight deals from St. Louis to Las Vegas by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Las Vegas?

    Currently, February is the cheapest month in which you can book a flight from St. Louis to Las Vegas (average of £612). Flying from St. Louis to Las Vegas in August is currently the most expensive (average of £989). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Not ready to book yet? You can track prices for flights from St. Louis to Las Vegas on Cheapflights with our Price Alert feature and get notified when better prices are available.

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